CN204662947U - A kind of composite self-insulation non-dismantling formwork - Google Patents

Abstract

The utility model relates to the technical field of building templates, in particular to a real gold board, and specifically discloses a composite self-heating and non-dismantling template, which includes a fire-proof and heat-preserving core board, and the two sides of the fire-proof and heat-preserving core board are respectively provided with inner and outer adhesive mortars The outer side of the outer adhesive mortar layer is provided with a thermal insulation mortar layer, the inner adhesive mortar layer, the outer adhesive mortar layer and the thermal insulation mortar layer are all provided with two grid cloths arranged in parallel, and the fireproof and thermal insulation core board is connected with the inner The contact surfaces of the adhesive mortar layer and the outer adhesive mortar layer are provided with a plurality of vertically and horizontally interlaced rectangular grooves, the bottom surface of which is an inner concave surface, and the inner adhesive mortar layer and the outer adhesive mortar layer are provided with rectangular grooves. The grooves match the protrusions, and the fireproof insulation core board includes a cementitious layer and polyphenylene particles filled therein, and the outer surface of the polystyrene particles is wrapped by an insulating fireproof coating. The flame retardant performance of the fireproof and heat preservation core board of the utility model reaches A grade, the thermal conductivity is low, the fireproof performance is good, the weight is light, and the shock resistance is high.

Description

A composite self-insulation formwork without dismantling

technical field

The utility model relates to the technical field of building templates, in particular to a real gold board.

Background technique

Chinese patent CN 204001698 discloses a composite fireproof self-insulation external formwork, which can replace the traditional wooden formwork or steel formwork for concrete pouring. After the concrete is solidified, it will become one. It also has the function of external wall insulation and fire protection without removing the formwork. It can shorten the construction period and improve the construction quality. The inorganic fireproof insulation board used is a class A fireproof material with good fireproof performance. However, due to its heavy material, the inorganic fireproof material needs to be strictly controlled in the height and load-bearing design of the building wall. The load-bearing of the external wall material cannot exceed the specific gravity. Within 250 kg/m3, at the same time, the thermal insulation performance of inorganic fireproof materials is worse than that of expandable polystyrene insulation board (EPS) or extruded polystyrene insulation board (XPS), and EPS and XPS are due to the nature of the material itself It belongs to Class B materials, with low flame retardancy and low shock resistance. Therefore, it is necessary to further improve this composite fireproof self-insulation outer formwork.

Utility model content

The technical problem to be solved by the utility model is to provide a composite self-insulating formwork without dismantling, which can solve the problems of low thermal insulation performance and high specific gravity of the composite fireproof self-insulating external formwork, and has the advantages of good flame-retardant effect and high shock resistance.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a composite self-insulation formwork without dismantling, including a fire-proof and heat-preservation core board, one side of the fire-proof heat-preservation core board is provided with an inner adhesive mortar layer, the fire-proof The other side of the thermal insulation core board is provided with an outer adhesive mortar layer, the other side of the outer adhesive mortar layer is provided with a thermal insulation mortar layer, and the inner adhesive mortar layer, the outer adhesive mortar layer and the thermal insulation mortar layer are all provided with There are two grid cloths arranged in parallel, and it is characterized in that: the fireproof and heat preservation core board is provided with a plurality of vertical and horizontal rectangular grooves on the surface in contact with the inner adhesive mortar layer and the outer adhesive mortar layer. The bottom surface of the rectangular groove is a concave curved surface, and the inner adhesive mortar layer and the outer adhesive mortar layer are provided with protrusions matching the rectangular groove on the surface in contact with the fireproof and heat preservation core board. The board includes a gelled layer and polyphenylene particles filled in the gelled layer, and the outer surface of the polyphenylene particles is wrapped by an insulating fireproof coating.

Further, the gelled layer is magnesium oxide inorganic gelled material, fireproof glue, fireproof resin or fly ash.

Further, the insulating fireproof coating is Class F fireproof phenolic resin.

Further, the other side of the thermal insulation mortar layer is provided with a waterproof layer.

Further, the rectangular groove is provided with 2 longitudinal grooves and 4 horizontal grooves, distributed at equal intervals.

Further, an anti-crack mortar layer is provided between the outer adhesive mortar layer and the thermal insulation mortar layer.

The beneficial effects produced by adopting the above-mentioned technical scheme are: the fire-proof and heat-preserving core board of the utility model adopts the structure filled with modified polyphenylene particles in the gelled layer, and the structure of the modified polyphenylene particles has a flame-retardant performance of Class A and low thermal conductivity , good fire resistance, light weight, good overall performance, no thermal bridge; the cementitious layer is composed of inorganic cementitious materials, which are similar in properties to cement mortar, which makes the adhesion stronger and the service life longer; the fireproof insulation core board passes through Multi-channel rectangular grooves are connected with the rectangular protrusions of the inner adhesive mortar layer and the outer adhesive mortar layer to form reinforcing ribs. The bottom surface of the groove is a concave curved surface. The mortar layer is easy to fill and full, and the connection is firm, which increases the size of the template. seismic performance.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the bonding surface structure of the fireproof and heat-preserving core board 1 in Fig. 1;

Fig. 3 is a schematic diagram of the internal structure of the fireproof and heat-preserving core board 1 in Fig. 1;

1. Fireproof insulation core board; 2. Inner bonding mortar layer; 3. External bonding mortar layer; 4. Protrusions; 5. Grooves; 6. Polystyrene particles; 7. Insulating fireproof coating; ; 9. Thermal insulation mortar layer; 10. Mesh cloth;

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Detailed ways

In order to solve the problem of low thermal insulation performance and high density of the composite fire-proof self-insulation external formwork, the utility model discloses a composite self-insulation-free formwork, which is filled with modified polyphenylene particles in the inorganic gel fireproof material and added to the joints of the boards. The technical means of reinforcing ribs can greatly increase the thermal insulation performance and seismic strength of the formwork. In order to describe the utility model more clearly, the following specific examples are provided:

Example 1

A composite self-insulation-free formwork, as shown in Figure 1, includes a fire-proof and heat-insulating core board 1, the two sides of the fire-proof and heat-preserving core board 1 are respectively provided with an inner adhesive mortar layer 2 and an outer adhesive mortar layer 3, and an outer adhesive mortar layer 3 The other side is provided with a thermal insulation mortar layer 9, the inner adhesive mortar layer 2, the outer adhesive mortar layer 3 and the thermal insulation mortar layer 9 are all provided with two grid cloths 10 arranged in parallel, and the fireproof and thermal insulation core board 1 is in contact with the inner The contact surfaces of the adhesive mortar layer 2 and the outer adhesive mortar layer 3 are provided with rectangular grooves 5, see Figure 2, the rectangular grooves 5 include 2 longitudinal grooves and 4 horizontal grooves, distributed at equal intervals, the rectangular grooves 5 The bottom surface is a concave curved surface, and the inner adhesive mortar layer 2 and the outer adhesive mortar layer 3 are provided with protrusions 4 matching the rectangular groove 5 on the surface in contact with the fire-proof and heat-insulating core board 1, and the fire-proof and heat-preserving core board 1 includes The gelled layer 8 and polyphenylene particles 6 , the polystyrene particles 6 are filled in the gelled layer 8 , and the outer surface of the polystyrene particles 6 is wrapped by an insulating fireproof coating 7 . Among them, the cementitious layer 8 is magnesium oxide inorganic cementitious material, the insulating fireproof coating is F-class fireproof phenolic resin, the other side of the thermal insulation mortar layer 3 is bonded with coal tar pitch epoxy waterproof layer, and the mesh cloth 10 is alkali-resistant glass Fiber material.

The inorganic gelling material used in the fireproof and heat-preserving core board 1 of the formwork is similar in nature to the mortar layer, has strong adhesion, avoids hollowing, cracking and other quality problems, and has a long service life.

The production process of this formwork is to use the fire-proof and thermal insulation core board as the basic board, make grooves on the basic board, and use it as reinforcing ribs. The basic board is covered with alkali-resistant glass fiber mesh cloth, poured bonding mortar layer, and pressed after shaping. , after automatic palletizing, maintenance, demoulding, cutting and use.

This formwork is used for the external formwork of the external thermal insulation of the external wall, and the permanent cast-in-place formwork plays the role of external thermal insulation of the external wall. The load-bearing structure of the concrete frame (frame-shear) structure remains unchanged, and the beam-column and shear walls are still designed according to the current standards. When in use, use ordinary wood formwork or steel formwork as the inner formwork, and use the composite fireproof self-insulation outer formwork as the outer formwork. After solidification, the inner formwork will be removed, and the outer formwork will not be removed. It will be used as the insulation layer outside the solidified concrete components, so that the outer wall of the building can meet the requirements of heat preservation and energy saving.

Example 2

A composite self-insulation-free formwork is the same as in Example 1, wherein an anti-cracking mortar layer is provided between the outer adhesive mortar layer 3 and the thermal insulation mortar layer 9 . This kind of template is especially suitable for areas with large temperature changes in the north.

The fireproof and thermal insulation core board of this formwork adopts the structure that the inorganic gel layer is filled with modified polystyrene particles. The inorganic gel layer has extremely high fire resistance, good viscosity and firm bonding; Good thermal insulation effect of the particles, and then through the modification of F-class insulation and fire-proof phenolic resin coating, the fire-proof performance is increased, so that the flame-retardant performance of the composite self-insulation-free formwork of the utility model reaches A-level, low thermal conductivity, light weight, At the same time, the overall performance is good and there is no thermal bridge; the inorganic cementitious material is similar to the bonding mortar and thermal insulation mortar, which makes the bonding force stronger and the service life longer; the fire-proof and thermal insulation core board is connected to the bonding mortar layer through multiple rectangular grooves It is connected with the rectangular protrusion of the thermal insulation mortar layer. The bottom surface of the groove is a concave curved surface, and the mortar layer is fully filled, which further increases the firmness of the connection and increases the seismic performance of the composite self-insulation-free formwork.

Claims (6)

1. A composite self-insulation-free formwork, comprising a fire-proof and heat-preservation core board (1), one side of the fire-proof heat-preservation core board (1) is provided with an inner adhesive mortar layer (2), and the fire-proof heat preservation core board (1) ) is provided with an outer adhesive mortar layer (3), the other side of the outer adhesive mortar layer (3) is provided with a thermal insulation mortar layer (9), the inner adhesive mortar layer (2), outer adhesive Both the mortar layer (3) and the thermal insulation mortar layer (9) are provided with two grid cloths (10) arranged in parallel, which are characterized in that: the fireproof thermal insulation core board (1) is bonded with the mortar layer ( 2) The surface in contact with the outer adhesive mortar layer (3) is provided with a plurality of vertically and horizontally staggered rectangular grooves (5), the bottom surface of the rectangular grooves (5) is an inner concave surface, and the inner adhesive The mortar layer (2) and the outer adhesive mortar layer (3) are provided with protrusions (4) matching the rectangular grooves (5) on the surface in contact with the fireproof and heat preservation core board (1). (1) It includes a gel layer (8) and polyphenylene particles (6), the polystyrene particles (6) are filled in the gel layer (8), and the outer surface of the polystyrene particles (6) is made of insulating fireproof Coating (7) wraps. 2. A composite self-insulation free formwork according to claim 1, characterized in that the gelled layer (8) is magnesium oxide inorganic gelled material, fireproof glue, fireproof resin or fly ash. 3. A composite self-insulating formwork without dismantling according to claim 1, characterized in that the insulating fireproof coating (7) is Class F fireproof phenolic resin. 4. A composite self-insulation-free formwork according to claim 1, characterized in that the other side of the insulation mortar layer (3) is provided with a waterproof layer. 5. A composite self-insulation-free formwork according to claim 1, characterized in that the rectangular groove (5) is provided with 2 longitudinal grooves and 4 horizontal grooves, which are equally spaced. 6. A composite self-insulation free formwork according to claim 1, characterized in that an anti-cracking mortar layer is provided between the outer adhesive mortar layer (3) and the thermal insulation mortar layer (9).